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PartsTable / COMPONENT / 5310PL0125343
5310PL0125343 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, thickness: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, hole_diameter: 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN, overall_diameter: 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL, peripheral_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-389-7976, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5310PL0125343
NSN: 5310-01-389-7976
FSC: 5310
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
hole_diameter0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
overall_diameter0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
departure_from_cited_documentASMODIFIED BY MATERIAL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-01-389-7976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310PL0125343 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HOLE DIAMETER: 0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
DEPARTURE FROM CITED DOCUMENT: ASMODIFIED BY MATERIAL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
CENTER HOLE SHAPE STYLE: ROUND
•
THICKNESS: 0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.401 INCHES MINIMUM AND 0.421 INCHES MAXIMUM IN
OVERALL DIAMETER0.805 INCHES MINIMUM AND 0.827 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
DEPARTURE FROM CITED DOCUMENTASMODIFIED BY MATERIAL
SURFACE TREATMENTPASSIVATE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
CENTER HOLE SHAPE STYLEROUND
THICKNESS0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
MATERIALSTEEL COMP 316 OVERALL
PERIPHERAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
MS15795-814Interchangeable
interchangeable cross-reference
interchangeable
501-7368087 ITEM NO 11Interchangeable
interchangeable cross-reference
interchangeable
1C6171P09Interchangeable
interchangeable cross-reference
interchangeable
1C6164P36Interchangeable
interchangeable cross-reference
interchangeable
245-4510945-55Interchangeable
interchangeable cross-reference
interchangeable
946008-8140Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310PL0125343?
5310PL0125343 is a WASHER,FLAT.
What parts can replace 5310PL0125343?
There are 10 known substitutes for 5310PL0125343: MS15795-814, 501-7368087 ITEM NO 11, 1C6171P09 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310PL0125343?
5310PL0125343 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-389-7976. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026